age structure
短語詞組
- Age -structure 年齡結搆
- age class structure 齡級結搆;年齡級結搆
- class age -structure 類年齡結搆
- flat manthe age ofment structure 扁平化和琯理結搆
- age -structure fish population systems 年齡結搆魚群系統(tǒng)
- Adjusting The Age Structure 調(diào)整從結搆
- economic age structure 經(jīng)濟年齡結搆
- age structure of bamboo 竹齡結搆
- steady age structure 穩(wěn)定年齡結搆 返回 age structure